Download THE ATOM - A COMPUTER GUIDED LESSON

THE ATOM - A COMPUTER GUIDED LESSON
Part I. Use the computer PowerPoint to answer the following
questions. Answer the questions on a separate sheet of white paper.
1. Write out the Atomic Molecular Theory of Matter.
2. How can scientists know so much about atoms when they are so small that
they cannot see them?
3. What is Indirect Evidence?
4. What is a model?
5. Scientists have been making models of atoms for a long time. Can a model
ever be changed? Explain why or why not.
6. The word atom comes from the Greek word, atomos. What is the meaning
of this word?
7. Who was Democritus and what did he do?
8. What modern scientist contributed to the knowledge of the atom?
Part II.
1. What sub – atomic particles are found in the nucleus of the atom?
2. Where ar the electron in an atom found?
3. What is the mass of 1 proton?
4. What is the mass of 1 neutron?
5. What does it mean to be electrically neutral?
6. What name is given to an atom after it gains or loses an electron?
7. What is an isotope?